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V-Lab

State Street SPDR S&P Metals & Mining ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Thursday, July 30th, 2026

1 Day

35.99%

increased by 2.23%

1 Week

35.97%

increased by 2.21%

1 Month

35.87%

increased by 2.11%

Analysis last updated: Wednesday, July 29, 2026 at 09:44 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of State Street SPDR S&P Metals & Mining ETF S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jun 22, 2006 to Jul 24, 2026

Model Insight

With persistence 0.991, volatility shocks have a half-life of 79 trading days (~0.3 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

1.1128
5.88***
α

ARCH

Response to squared shocks

0.0585
6.59***
β

GARCH

Volatility persistence

0.9328
97.15***
γi Spline Coefficients
K=1
γ10.0008
0.93

Persistence:

0.991

Half-life:

79 days